Fix react-helmet example missing initial props (vercel#1598)

Coobaha · arunoda · commit d10d80ce3cdc · 2017-04-03T09:51:26.000+05:30
* Fix react-helmet example missing initial props

* Fix semicolon
diff --git a/examples/with-react-helmet/pages/_document.js b/examples/with-react-helmet/pages/_document.js
@@ -2,10 +2,11 @@ import Document, { Head, Main, NextScript } from 'next/document'
 import Helmet from 'react-helmet'
 
 export default class extends Document {
-  static async getInitialProps ({ renderPage }) {
+  static async getInitialProps (...args) {
+    const documentProps = await super.getInitialProps(...args)
     // see https://github.com/nfl/react-helmet#server-usage for more information
     // 'head' was occupied by 'renderPage().head', we cannot use it
-    return { ...renderPage(), helmet: Helmet.rewind() }
+    return { ...documentProps, helmet: Helmet.rewind() }
   }
 
   // should render on <html>
